
Collections Abstract Base Classes have been moved to the collections.abc module, which was part of the collections module before[1] [2]. Usage from the collections module directly is deprecated and will be removed from 3.10. This commit updates to import abc module explicitly wherever required as the same will no longer be visible/directly used from the collections module. [1] https://docs.python.org/3/library/collections.abc.html [2] http://paste.openstack.org/show/802512/ Change-Id: I173f4d647474c21c5d062280bd5703edffb4978e
370 lines
13 KiB
Python
370 lines
13 KiB
Python
# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 Nebula, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import collections.abc
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import copy
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import logging
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import os
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import socket
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import sys
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import time
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import unittest
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from django.conf import settings
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from django.contrib.auth.middleware import AuthenticationMiddleware
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from django.contrib.auth.models import Permission
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from django.contrib.auth.models import User
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from django.contrib.contenttypes.models import ContentType
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from django.contrib.messages.storage import default_storage
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from django.contrib.sessions.backends.base import SessionBase
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from django.core.handlers import wsgi
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from django import http
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from django import test as django_test
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from django.test.client import RequestFactory
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from django.test import tag
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from django.test import utils as django_test_utils
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from django.utils.encoding import force_text
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from django.contrib.staticfiles.testing \
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import StaticLiveServerTestCase as LiveServerTestCase
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# horizon plugins does not require pytest, so we need to consider
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# pytest is not installed.
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try:
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import pytest
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except ImportError:
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pass
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from horizon import middleware
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LOG = logging.getLogger(__name__)
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# NOTE: Several distributions can't ship Selenium, or the Firefox
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# component of it, due to its non-free license. So they have to patch
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# it out of test-requirements.txt Avoid import failure and force not
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# running selenium tests if we attempt to run selenium tests using the
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# Firefox driver and it is not available.
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try:
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from selenium.webdriver.support import ui as selenium_ui
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import xvfbwrapper # Only needed when running the Selenium tests headless
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from horizon.test.webdriver import WebDriver
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except ImportError as e:
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LOG.warning("%s, force WITH_SELENIUM=False", e)
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os.environ['WITH_SELENIUM'] = ''
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# Makes output of failing tests much easier to read.
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wsgi.WSGIRequest.__repr__ = lambda self: "<class 'django.http.HttpRequest'>"
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def pytest_mark(name):
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if 'pytest' in sys.modules:
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return getattr(pytest.mark, name)
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else:
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# When pytest is not installed (in case of horizon plugins),
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# we don't need a pytest marker, so just use a null decorator.
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def wrapper(f):
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return f
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return wrapper
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class SessionStore(SessionBase):
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"""Dict like object for simulating sessions in unittests."""
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def load(self):
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self.create()
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return {}
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def create(self):
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self.modified = True
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def save(self, must_create=False):
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self._session_key = self._get_session_key()
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self.modified = True
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def exists(self, session_key=None):
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return False
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def delete(self, session_key=None):
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self._session_key = ''
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self._session_cache = {}
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self.modified = True
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def cycle_key(self):
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self.save()
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@classmethod
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def clear_expired(cls):
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pass
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class RequestFactoryWithMessages(RequestFactory):
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def get(self, *args, **kwargs):
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req = super().get(*args, **kwargs)
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req.user = User()
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req.session = SessionStore()
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req._messages = default_storage(req)
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return req
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def post(self, *args, **kwargs):
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req = super().post(*args, **kwargs)
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req.user = User()
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req.session = SessionStore()
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req._messages = default_storage(req)
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return req
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@unittest.skipIf(os.environ.get('SKIP_UNITTESTS', False),
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"The SKIP_UNITTESTS env variable is set.")
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class TestCase(django_test.TestCase):
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"""Base test case class for Horizon with numerous additional features.
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* A ``RequestFactory`` class which supports Django's ``contrib.messages``
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framework via ``self.factory``.
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* A ready-to-go request object via ``self.request``.
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"""
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def setUp(self):
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super().setUp()
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self._setup_test_data()
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self._setup_factory()
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self._setup_user()
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self._setup_request()
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# A dummy get_response function (which is not callable) is passed
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# because middlewares below are used only to populate request attrs.
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middleware.HorizonMiddleware('dummy_get_response') \
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._process_request(self.request)
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AuthenticationMiddleware('dummy_get_response') \
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.process_request(self.request)
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os.environ["HORIZON_TEST_RUN"] = "True"
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def _setup_test_data(self):
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pass
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def _setup_factory(self):
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self.factory = RequestFactoryWithMessages()
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def _setup_user(self):
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self.user = User.objects.create_user(username='test', password='test')
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self.assertTrue(self.client.login(username="test", password="test"))
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def _setup_request(self):
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self.request = http.HttpRequest()
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self.request.session = self.client.session
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def tearDown(self):
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super().tearDown()
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del os.environ["HORIZON_TEST_RUN"]
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def set_permissions(self, permissions=None):
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perm_ids = Permission.objects.values_list('id', flat=True)
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self.user.user_permissions.remove(*perm_ids)
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for name in permissions:
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ct, create = ContentType.objects.get_or_create(model=name,
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app_label='horizon')
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perm, create = Permission.objects.get_or_create(codename=name,
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content_type=ct,
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name=name)
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self.user.user_permissions.add(perm)
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if hasattr(self.user, "_perm_cache"):
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del self.user._perm_cache
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def assertNoMessages(self, response=None):
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"""Asserts no messages have been attached by the messages framework.
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The expected messages framework is ``django.contrib.messages``.
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"""
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self.assertMessageCount(response, success=0, warn=0, info=0, error=0)
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def assertMessageCount(self, response=None, **kwargs):
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"""Asserts that the expected number of messages have been attached.
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The expected number of messages can be specified per message type.
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Usage would look like ``self.assertMessageCount(success=1)``.
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"""
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temp_req = self.client.request(**{'wsgi.input': None})
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temp_req.COOKIES = self.client.cookies
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storage = default_storage(temp_req)
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messages = []
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if response is None:
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# To gain early access to the messages we have to decode the
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# cookie on the test client.
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if 'messages' in self.client.cookies:
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message_cookie = self.client.cookies['messages'].value
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messages = storage._decode(message_cookie)
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# Check for messages in the context
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elif hasattr(response, "context") and "messages" in response.context:
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messages = response.context["messages"]
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# Check for messages attached to the request on a TemplateResponse
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elif hasattr(response, "_request") and hasattr(response._request,
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"_messages"):
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messages = response._request._messages._queued_messages
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# If we don't have messages and we don't expect messages, we're done.
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if not any(kwargs.values()) and not messages:
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return
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# If we expected messages and have none, that's a problem.
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if any(kwargs.values()) and not messages:
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error_msg = "Messages were expected, but none were set."
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assert 0 == sum(kwargs.values()), error_msg
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# Otherwise, make sure we got the expected messages.
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for msg_type, count in kwargs.items():
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msgs = [force_text(m.message)
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for m in messages if msg_type in m.tags]
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assert len(msgs) == count, \
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"%s messages not as expected: %s" % (msg_type.title(),
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", ".join(msgs))
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@pytest_mark('selenium')
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@tag('selenium')
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class SeleniumTestCase(LiveServerTestCase):
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@classmethod
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def setUpClass(cls):
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socket.setdefaulttimeout(60)
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if os.environ.get('WITH_SELENIUM', False):
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time.sleep(1)
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# Start a virtual display server for running the tests headless.
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if os.environ.get('SELENIUM_HEADLESS', False):
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cls.vdisplay = xvfbwrapper.Xvfb(width=1280, height=720)
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cls.vdisplay.start()
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cls.selenium = WebDriver()
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super().setUpClass()
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@classmethod
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def tearDownClass(cls):
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if os.environ.get('WITH_SELENIUM', False):
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cls.selenium.quit()
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time.sleep(1)
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if hasattr(cls, 'vdisplay'):
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cls.vdisplay.stop()
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super().tearDownClass()
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def setUp(self):
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socket.setdefaulttimeout(60)
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self.selenium.implicitly_wait(30)
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self.ui = selenium_ui
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super().setUp()
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class JasmineTests(SeleniumTestCase):
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"""Helper class which allows you to create a simple Jasmine test.
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Jasmine tests are run through Selenium.
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To run a jasmine test suite, create a class which extends JasmineTests in
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the :file:`horizon/test/jasmine/jasmine_tests.py` and define two class
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attributes
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.. attribute:: sources
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A list of JS source files (the {{ STATIC_URL }} will be added
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automatically, these are the source files tested
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.. attribute:: specs
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A list of Jasmine JS spec files (the {{ STATIC_URL }} will be added
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automatically
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.. attribute:: template_name
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A template which will contain the html needed by the test,
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this attribute is optional, if it is not specified the default template
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will be used. The template, if specified, must extends
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:file:`horizon/jasmine/jasmine.html` and inserts the html in a block
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whose name must be content
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"""
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sources = []
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specs = []
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template_name = None
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def run_jasmine(self):
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self.selenium.get(
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"%s%s%s" % (self.live_server_url,
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"/jasmine/",
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self.__class__.__name__))
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wait = self.ui.WebDriverWait(self.selenium, 120)
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def jasmine_done(driver):
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text = driver.find_element_by_class_name("duration").text
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return "finished" in text
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wait.until(jasmine_done)
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failures = \
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self.selenium.find_elements_by_css_selector(".spec-detail.failed")
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results = []
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for failure in failures:
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results.append(
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failure.find_element_by_class_name("description").text)
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results.append(
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failure.find_element_by_class_name("stack-trace").text)
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self.assertEqual(results, [], '\n\n' + '\n\n'.join(results) + '\n\n')
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def test(self):
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if self.__class__ == JasmineTests:
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return
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self.run_jasmine()
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class update_settings(django_test_utils.override_settings):
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"""override_settings which allows override an item in dict.
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django original override_settings replaces a dict completely,
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however OpenStack dashboard setting has many dictionary configuration
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and there are test case where we want to override only one item in
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a dictionary and keep other items in the dictionary.
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This version of override_settings allows this if keep_dict is True.
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If keep_dict False is specified, the original behavior of
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Django override_settings is used.
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"""
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def __init__(self, keep_dict=True, **kwargs):
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if keep_dict:
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for key, new_value in kwargs.items():
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value = getattr(settings, key, None)
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if (isinstance(new_value, collections.abc.Mapping) and
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isinstance(value, collections.abc.Mapping)):
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copied = copy.copy(value)
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copied.update(new_value)
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kwargs[key] = copied
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super().__init__(**kwargs)
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class IsA(object):
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"""Class to compare param is a specified class."""
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def __init__(self, cls):
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self.cls = cls
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def __eq__(self, other):
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return isinstance(other, self.cls)
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class IsHttpRequest(IsA):
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"""Class to compare param is django.http.HttpRequest."""
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def __init__(self):
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super().__init__(http.HttpRequest)
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